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STM32L0 - Remove special treatment for reading the counter

pull/3213/head
bcostm 2016-10-26 11:00:46 +02:00
parent ae858b4323
commit c3b8943f66
1 changed files with 0 additions and 32 deletions
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32
targets/TARGET_STM/stm_us_ticker_16b.c
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@ -60,37 +60,6 @@ void us_ticker_init(void)
HAL_InitTick(0); // The passed value is not used HAL_InitTick(0); // The passed value is not used
} }
// TODO: Check if still true
// For some reason on L0xx series we need to read and clear the
// overflow flag which give extra time to propelry handle possible
// hiccup after ~60s
#if defined(TARGET_L0)
uint32_t us_ticker_read()
{
volatile uint16_t cntH_old, cntH, cntL;
if (!us_ticker_inited) us_ticker_init();
do {
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1OF) == SET) {
__HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1OF);
}
cntH_old = SlaveCounter;
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
cntH_old += 1;
}
cntL = TIM_MST->CNT;
cntH = SlaveCounter;
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
cntH += 1;
}
} while(cntH_old != cntH);
// Glue the upper and lower part together to get a 32 bit timer
return (uint32_t)(cntH << 16 | cntL);
}
#else
uint32_t us_ticker_read() uint32_t us_ticker_read()
{ {
uint32_t counter; uint32_t counter;
@ -108,7 +77,6 @@ uint32_t us_ticker_read()
return counter; // Otherwise return the time stamp calculated here return counter; // Otherwise return the time stamp calculated here
} }
} }
#endif
void us_ticker_set_interrupt(timestamp_t timestamp) void us_ticker_set_interrupt(timestamp_t timestamp)
{ {